/* Tech Info Core — front-end styles. Mobile first. */
:root {
  --ti-navy: #0f2545;
  --ti-navy-2: #1b3a6b;
  --ti-ink: #16202c;
  --ti-muted: #5b6676;
  --ti-line: #dde3ea;
  --ti-bg: #ffffff;
  --ti-bg-soft: #f4f6f9;
  --ti-green: #15803d;
  --ti-green-soft: #e8f7ee;
  --ti-amber: #b45309;
  --ti-amber-soft: #fff4e5;
  --ti-red-soft: #fdecec;
  --ti-radius: 14px;
  --ti-shadow: 0 1px 2px rgba(16, 32, 60, .06), 0 8px 24px rgba(16, 32, 60, .06);
  --ti-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body.ti { font-family: var(--ti-font); color: var(--ti-ink); -webkit-font-smoothing: antialiased; }
.ti-wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; box-sizing: border-box; }
.ti-wrap *, .ti-home *, .ti-form-card * { box-sizing: border-box; }
.ti-h1 { font-size: clamp(1.6rem, 2.4vw + 1rem, 2.5rem); line-height: 1.15; letter-spacing: -.01em; color: var(--ti-navy); margin: .25em 0 .4em; font-weight: 800; }
.ti-h2 { font-size: clamp(1.25rem, 1.2vw + 1rem, 1.6rem); line-height: 1.2; color: var(--ti-navy); margin: 0 0 .6em; font-weight: 750; }
.ti-lede { font-size: 1.05rem; line-height: 1.55; color: var(--ti-ink); margin: 0 0 1em; }
.ti-section { margin: 2.25rem 0; }
.ti-link { color: var(--ti-navy-2); font-weight: 650; text-decoration: none; border-bottom: 2px solid #c7d3e6; }
.ti-link:hover { border-color: var(--ti-navy-2); }

/* Disclosure bar — required on every page */
.ti-disclosure-bar { background: var(--ti-bg-soft); border-bottom: 1px solid var(--ti-line); font-size: .78rem; line-height: 1.35; color: var(--ti-muted); padding: 6px 0; }
.ti-disclosure-bar a { color: var(--ti-navy-2); font-weight: 650; white-space: nowrap; }
.ti-disclosure-inline { font-size: .82rem; color: var(--ti-muted); border-top: 1px solid var(--ti-line); padding-top: 1rem; margin: 2.5rem 0 1rem; }

/* Breadcrumbs */
.ti-crumbs { font-size: .8rem; margin: 1rem 0 .25rem; color: var(--ti-muted); }
.ti-crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .35rem; }
.ti-crumbs li + li::before { content: "›"; margin-right: .35rem; color: #9aa6b8; }
.ti-crumbs a { color: var(--ti-muted); text-decoration: none; }
.ti-crumbs a:hover { color: var(--ti-navy); }

/* Hero */
.ti-hero { display: grid; gap: 1.25rem; grid-template-columns: 1fr; margin: .5rem 0 1rem; }
.ti-kicker { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ti-muted); font-weight: 700; margin: 0; display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.ti-answer { font-size: 1.12rem; line-height: 1.55; margin: 0 0 .75em; color: var(--ti-ink); }
.ti-updated { font-size: .8rem; color: var(--ti-muted); margin: 0 0 1em; }
.ti-cta-row { display: flex; flex-wrap: wrap; gap: .6rem .9rem; align-items: center; }

.ti-offer-card { background: var(--ti-navy); color: #fff; border-radius: var(--ti-radius); padding: 1.25rem 1.25rem 1rem; box-shadow: var(--ti-shadow); display: grid; gap: .35rem; align-content: start; }
.ti-offer-img { width: 120px; height: 120px; object-fit: contain; justify-self: center; background: #fff; border-radius: 12px; padding: 8px; margin-bottom: .25rem; }
.ti-offer-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; opacity: .8; margin: 0; }
.ti-offer-big { font-size: 2.4rem; font-weight: 850; line-height: 1.05; margin: 0 0 .3rem; letter-spacing: -.02em; color: #9ff2bd; }
.ti-offer-rows { margin: 0; display: grid; gap: .25rem; }
.ti-offer-rows div { display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.14); padding: .35rem 0; font-size: .95rem; }
.ti-offer-rows dt { opacity: .85; }
.ti-offer-rows dd { margin: 0; font-weight: 700; }
.ti-offer-note { font-size: .82rem; opacity: .85; margin: .35rem 0 0; line-height: 1.4; }
.ti-offer-fine { font-size: .78rem; opacity: .75; margin: .5rem 0 0; border-top: 1px solid rgba(255,255,255,.14); padding-top: .5rem; }

/* Buttons */
.ti-btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .8rem 1.15rem; border-radius: 999px; font-weight: 750; font-size: .98rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; line-height: 1.1; transition: transform .08s ease, background .15s ease; }
.ti-btn:active { transform: translateY(1px); }
.ti-btn-primary { background: var(--ti-green); color: #fff; }
.ti-btn-primary:hover { background: #126a33; color: #fff; }
.ti-btn-secondary { background: #fff; color: var(--ti-navy); border-color: var(--ti-navy); }
.ti-btn-secondary:hover { background: var(--ti-bg-soft); }
.ti-btn-block { width: 100%; }

/* Chips */
.ti-chip { display: inline-block; font-size: .72rem; font-weight: 750; letter-spacing: .03em; padding: .2rem .55rem; border-radius: 999px; background: var(--ti-bg-soft); color: var(--ti-muted); text-transform: uppercase; }
.ti-chip-keep { background: #e6eefc; color: #1e40af; }
.ti-chip-sell { background: var(--ti-green-soft); color: var(--ti-green); }
.ti-chip-upgrade { background: var(--ti-amber-soft); color: var(--ti-amber); }
.ti-chip-warn { background: var(--ti-red-soft); color: #b91c1c; }
.ti-chip-btn { border: 1px solid var(--ti-line); background: #fff; cursor: pointer; text-transform: none; font-size: .85rem; padding: .4rem .8rem; }
.ti-chip-btn.is-active { background: var(--ti-navy); color: #fff; border-color: var(--ti-navy); }
.ti-filters { display: grid; gap: .5rem; margin: 1rem 0 0; }
.ti-filter-row { display: flex; flex-wrap: wrap; gap: .4rem; }

/* Verdict */
.ti-verdict-grid { display: grid; gap: .75rem; grid-template-columns: 1fr; }
.ti-verdict-card { border: 1px solid var(--ti-line); border-radius: var(--ti-radius); padding: 1rem 1.1rem; background: #fff; }
.ti-verdict-card.is-pick { border: 2px solid var(--ti-green); background: var(--ti-green-soft); box-shadow: var(--ti-shadow); }
.ti-verdict-card.is-pick .ti-verdict-tag::after { content: "Our pick"; margin-left: .5rem; font-size: .7rem; background: var(--ti-green); color: #fff; padding: .15rem .45rem; border-radius: 999px; vertical-align: middle; }
.ti-verdict-tag { font-weight: 800; color: var(--ti-navy); display: block; margin-bottom: .35rem; }
.ti-verdict-card p { margin: 0 0 .5rem; line-height: 1.5; font-size: .96rem; }

/* Tables */
.ti-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ti-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.ti-table th, .ti-table td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--ti-line); vertical-align: top; }
.ti-table thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ti-muted); }
.ti-table-specs th { width: 38%; color: var(--ti-muted); font-weight: 600; }

/* Prose */
.ti-prose { line-height: 1.65; font-size: 1.02rem; }
.ti-prose h2, .ti-prose h3 { color: var(--ti-navy); }

/* Form */
.ti-form-card { background: var(--ti-bg-soft); border: 1px solid var(--ti-line); border-radius: var(--ti-radius); padding: 1.25rem; }
.ti-form-heading { margin-bottom: .25rem; }
.ti-form-sub { margin: 0 0 1rem; color: var(--ti-muted); font-size: .95rem; line-height: 1.45; }
.ti-tabs { display: inline-flex; background: #fff; border: 1px solid var(--ti-line); border-radius: 999px; padding: 3px; margin-bottom: .9rem; }
.ti-tab { border: 0; background: transparent; padding: .45rem .95rem; border-radius: 999px; font-weight: 700; color: var(--ti-muted); cursor: pointer; font-size: .9rem; }
.ti-tab.is-active { background: var(--ti-navy); color: #fff; }
.ti-field { display: grid; gap: .3rem; margin-bottom: .8rem; }
.ti-field label { font-size: .85rem; font-weight: 700; color: var(--ti-navy); }
.ti-field input, .ti-field textarea { width: 100%; font: inherit; font-size: 1rem; padding: .75rem .85rem; border: 1px solid #c8d0db; border-radius: 10px; background: #fff; color: var(--ti-ink); }
.ti-field input:focus, .ti-field textarea:focus { outline: 2px solid var(--ti-navy-2); outline-offset: 1px; border-color: var(--ti-navy-2); }
.ti-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.ti-form-fine { font-size: .75rem; color: var(--ti-muted); margin: .7rem 0 0; line-height: 1.4; }
.ti-form-error, .ti-form-status[data-state="error"] { background: var(--ti-red-soft); color: #991b1b; padding: .6rem .8rem; border-radius: 10px; font-size: .92rem; margin: .5rem 0; }
.ti-form-status[data-state="sending"] { color: var(--ti-muted); font-size: .9rem; margin: .5rem 0; }
.ti-form-done { background: var(--ti-green-soft); border-radius: 10px; padding: 1rem 1.1rem; }
.ti-form-done p { margin: 0; line-height: 1.5; }

/* FAQ */
.ti-faq-item { border-top: 1px solid var(--ti-line); padding: .25rem 0; }
.ti-faq-item:last-child { border-bottom: 1px solid var(--ti-line); }
.ti-faq-item summary { cursor: pointer; font-weight: 700; color: var(--ti-navy); padding: .7rem 0; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.ti-faq-item summary::-webkit-details-marker { display: none; }
.ti-faq-item summary::after { content: "+"; color: var(--ti-muted); font-weight: 400; flex: 0 0 auto; }
.ti-faq-item[open] summary::after { content: "–"; }
.ti-faq-item p { margin: 0 0 .9rem; line-height: 1.55; color: var(--ti-ink); }

/* Device grid */
.ti-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; grid-template-columns: 1fr; }
.ti-card { margin: 0; }
.ti-card-link { display: flex; gap: .85rem; align-items: center; background: #fff; border: 1px solid var(--ti-line); border-radius: 12px; padding: .8rem .9rem; text-decoration: none; color: var(--ti-ink); transition: border-color .15s ease, box-shadow .15s ease; }
.ti-card-link:hover { border-color: #b7c4d8; box-shadow: var(--ti-shadow); }
.ti-card-img { width: 56px; height: 56px; object-fit: contain; flex: 0 0 56px; }
.ti-card-body { display: grid; gap: .15rem; }
.ti-card-meta { font-size: .72rem; color: var(--ti-muted); text-transform: uppercase; letter-spacing: .06em; }
.ti-card-name { font-weight: 750; color: var(--ti-navy); font-size: 1rem; }
.ti-card-offer { color: var(--ti-green); font-weight: 750; font-size: .92rem; }
.ti-card .ti-chip { justify-self: start; margin-top: .15rem; }
.ti-card[hidden] { display: none; }

/* Search */
.ti-search { position: relative; display: flex; gap: .5rem; margin: .5rem 0 1rem; }
.ti-search-input { flex: 1 1 auto; font: inherit; font-size: 1rem; padding: .8rem .95rem; border: 2px solid var(--ti-navy); border-radius: 999px; min-width: 0; }
.ti-search .ti-btn { flex: 0 0 auto; }
.ti-suggest { position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: #fff; border: 1px solid var(--ti-line); border-radius: 12px; box-shadow: var(--ti-shadow); z-index: 50; overflow: hidden; }
.ti-suggest a { display: flex; justify-content: space-between; gap: .75rem; padding: .7rem .9rem; text-decoration: none; color: var(--ti-ink); border-top: 1px solid var(--ti-line); }
.ti-suggest a:first-child { border-top: 0; }
.ti-suggest a:hover, .ti-suggest a.is-active { background: var(--ti-bg-soft); }
.ti-suggest .ti-s-name { font-weight: 700; color: var(--ti-navy); }
.ti-suggest .ti-s-year { color: var(--ti-muted); font-size: .85rem; margin-left: .4rem; }
.ti-suggest .ti-s-offer { color: var(--ti-green); font-weight: 750; white-space: nowrap; }

/* Home */
.ti-home-hero { padding: .25rem 0 .5rem; }
.ti-trust-row { list-style: none; margin: .5rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem .9rem; font-size: .85rem; color: var(--ti-muted); }
.ti-trust-row li::before { content: "✓"; color: var(--ti-green); font-weight: 800; margin-right: .35rem; }
.ti-steps-list { margin: 0; padding-left: 1.2rem; display: grid; gap: .6rem; line-height: 1.5; }
.ti-local-grid { display: grid; gap: .75rem; grid-template-columns: 1fr; }
.ti-local-card { display: grid; gap: .25rem; padding: 1rem 1.1rem; border: 1px solid var(--ti-line); border-radius: var(--ti-radius); text-decoration: none; color: var(--ti-ink); background: #fff; }
.ti-local-card strong { color: var(--ti-navy); font-size: 1.05rem; }
.ti-local-card:hover { box-shadow: var(--ti-shadow); }

/* Sticky mobile bar */
.ti-sticky { position: fixed; left: 0; right: 0; bottom: 0; padding: .6rem 12px calc(.6rem + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); border-top: 1px solid var(--ti-line); backdrop-filter: blur(8px); z-index: 60; }
.ti-sticky .ti-btn { width: 100%; }
.ti-sticky[hidden] { display: none; }
body.ti-has-sticky { padding-bottom: 72px; }

/* Larger screens */
@media (min-width: 640px) {
  .ti-grid { grid-template-columns: repeat(2, 1fr); }
  .ti-verdict-grid { grid-template-columns: repeat(3, 1fr); }
  .ti-local-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .ti-hero { grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr); align-items: start; gap: 2rem; }
  .ti-grid { grid-template-columns: repeat(3, 1fr); }
  .ti-sticky { display: none !important; }
  body.ti-has-sticky { padding-bottom: 0; }
  .ti-form-card { padding: 1.75rem 2rem; }
  .ti-form { max-width: 560px; }
}

/* Dark mode: keep it readable if the theme or OS flips */
@media (prefers-color-scheme: dark) {
  body.ti.ti-dark { --ti-ink: #e8edf4; --ti-muted: #a9b4c4; --ti-line: #2b3750; --ti-bg: #0f1725; --ti-bg-soft: #16213a; }
}